AA 
NYMPHUM. 
_ GENERIC CHARACTER. 
Body composed of four feet- bearing segments, the first 
produced into a head-like process contracted behind, on 
which a tubercle having two eyes on each side, is placed. 
Rostrum cylindric, tubular, shorter than the body, in- 
serted into the under part of the first segment. 
Mandibles longer than the rostrum, composed of two 
equal joints, the second of which is furnished with curved 
fingers which meet along their whole inner edge, their 
points abruptly hooked. 
Palpi six-jointed, longer than the rostrum, inserted be- 
neath the mandibles, the second joint elongate. 
Feet eight ; core with three joints, the middle one long- 
est; thighs one-jointed ; tibie two-jointed, second joint 
rather longer; ¢arst with two joints, the first rather 
longer; sails simple. 
The parts on which the female carries her eggs are com- 
posed of ten joints. 
